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Topical Treatments
These are applied directly to the affected areas.
Examples include:
Topical treatments are usually only prescribed for mild-to moderate psoriasis; this is where the psoriasis affects 5% of the body surface area or less. They are often used in combination with other types of therapy.
They are effective; however, they can take time and/or be awkward to apply. B light. Ultraviolet B light is more intense than ultraviolet A, but does not penetrate as deeply. PUVA uses ultraviolet A light and a psoralen compound which makes the skin more sensitive to this wavelength of light. These therapies require a number of visits to the hospital a week.
Lasers are the latest form of phototherapy. Laser therapy is done in hospital and needs a number of sessions to be effective, the exact number and frequency of sessions depends on the type of laser. A potential side effect of laser therapy is bruising and it is therefore, not recommended for people whose psoriasis worsens when the skin is injured.
Last Updated 24-03-2009
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